Operating Systems

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Transcript of Operating Systems

Operating SystemsWhat does the OS do?-Controls all of the peripherals like the printer, keyboard, mouse or flash drives.-User security, protects your programs and your account.-Controls the programs in the computer by multitasking and giving them directions-Stores files securely.-Brings the software and hardware together so they can interact and function properly.

Ubuntu (Linux)Ubuntu is the most popular Linux operating and is used by more than 20 million people worldwide on desktops, servers, and recently phones and tablets. It is a free and open source operating system so it is constantly updated and modified, and is supported on all X86 and ARM hardware.Apple's OS X MavericksWindows 8Apple's first modern OS was the Cheetah released in 2001Apple has spent years "perfecting" their operating system. Apple now has their new free OS X. OS X Mavericks is not much different from the last OS, Mountain Lion.Mavericks is only compatible with Mac computersKernelCentral module of the OSResponsible for loading applications into the main memory(RAM) and managing memory, processes, tasks, and disks.Creates and destroys memory locations.Controls all other programs, manages the file system, and controls hardware through drivers.The Components of an OSDevice DriversControls hardware devicesActs as a translator.Translates generic commands of the program into the specific commands of the deviceUser InterfaceSet of commands or menusAllows users to communicate with a programDetermines how easy a program can be used.GUI is the standard nowSystem UtilitiesIterationsUbuntu was first released in October 2004. Every 6 months a new version is released, with every fourth release receiving Long Term Support(LTS).The current version is 13.10, codenamed Saucy Salamander, and was released on October 17, 2013.Programs which perform very specific tasks, usually relating to system resources.Analyzes, configures, optimizes, or maintains a computerIncludes disc cleanup, defragmenting, anti - virus, etc.FeaturesUbuntu's Unity Graphical EnvironmentUbuntu includes LibreOffice a Document Processing Suite that is entirely compatible with Microsoft OfficeUses Firefox and Google Chrome to deliver a fast and safe web-browsing experience.Thousands of social media and gaming apps are available.It is compatible with Android systems and iPhones to allow the editing and organizing of music.Media apps can view and organize many varieties of photo and video file types.Ubuntu One gives the user 5GB's of Cloud Storage.ProtectionWindows Defender - anti-virus software that protects against spyware and unwanted software.Windows SmartScreen - Anti-phishing protection - protects personal infoAnti-malware protection - prevents potentially harmful software from entering your computerWindows 8's improvements upon performance and security were well received and its UI changes improved user experience on tablets. Unfortunately, the UI changes proved difficult to learn when using a keyboard and mouse. Even with this negative trait, 60 million copies have been sold as of January 2013. Recently, Windows 8.1 was released, addressing the issues commonly criticized by early reviewers.Performance Start up drastically reduced.Displays a progress bar when copying files. More accurate time predictions.Slightly faster at video rendering (roughly 10 sec.)Quick internet browsing.SecurityUser IntefaceNew "Metro" style focuses on solid colors and flat icons.Start screen has a customizable set of tiles linking to apps and programsNew PC settings app is used for basic configurationVertical toolbar provides access to system functions such as search, sharing, device management, and settings.Utilizes an ufw Firewall, buffer overflow protection, and Position Independent Code to keep your computer secure.ProsQuick start up and switching between applications.Efficient power useEasy to use on tabletsConsNo start menuDifficult to learn on laptops and computersNot freeProsFreeExtremely stableCustomization easy due to easy installation of apps.ConsDoes not play all media types due to DRMFew PC games are ported to and available on UbuntuProsContains options to perform tasks without opening an appContains power management and security featuresFreeConsDesign is not spectacular and closely resembles one of its predicates, OS X Snow Leopardonly comparable with Mac computersOS X Features OS X is one of the most user friendly operating systemsOS X has an app center much like Apple's phone counterpart Mavericks is a bit different then from it's predecessor, Mountain LionIt has such features as a video editing software, a music mixer, and much moreMavericks has a large selection of of apps that you don't needBy: Lucas, Finlay, George, MarcoFile SystemNTFS-3g is installed on Ubuntu by default for Windows Read/Write compatibility.ext4 is the modern, standard file system for Linux systemsFile SystemControls how data is stored and receivedSeparates data and gives it a nameMakes information easy to separate and identify